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1
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Conservation projects (Natural resources) -- See Also the narrower term Water conservation projects
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1
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3
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Conservation projects (Natural resources) -- Effect of human beings on -- Texas -- Maps. / https://id.loc.gov/authorities/subjects/sh95008785 https://id.loc.gov/authorities/subjects/sh00007579 https://id.loc.gov/authorities/names/n80129616-781 https://id.loc.gov/authorities/subjects/sh99001269 : Todd, David,
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2016
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4
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Conservation projects (Natural resources) -- Texas. / https://id.loc.gov/authorities/subjects/sh95008785 https://id.loc.gov/authorities/names/n80129616-781 : Todd, David,
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2016
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1
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5
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Conservation projects (Natural resources) -- United States. / https://id.loc.gov/authorities/subjects/sh95008785 https://id.loc.gov/authorities/names/n78095330-781
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2010
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1
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6
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Conservation projects (Natural resources) -- United States -- Management. / https://id.loc.gov/authorities/subjects/sh95008785 https://id.loc.gov/authorities/names/n78095330-781 https://id.loc.gov/authorities/subjects/sh2002007911 : Tassel, Sandra.
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2009
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1
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7
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Conservation projects (Natural resources) -- Wisconsin -- History. / https://id.loc.gov/authorities/subjects/sh95008785 https://id.loc.gov/authorities/names/n79022855-781 https://id.loc.gov/authorities/subjects/sh99005024 : Apps, Jerold W.,
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2019
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1
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